Pith Number

pith:2ZKBT2YK

pith:2014:2ZKBT2YKW6J5GK6XMF2GRQPBIY

not attested not anchored not stored refs pending

Symbol length in the Brauer group of a field

Eliyahu Matzri

arxiv:1402.0332 v1 · 2014-02-03 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZKBT2YKW6J5GK6XMF2GRQPBIY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:00:23.840131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d65419eb0ab793d32bd7617468c1e14622f82a5f73ce956f8c11579cf33110cf

Aliases

arxiv: 1402.0332 · arxiv_version: 1402.0332v1 · doi: 10.48550/arxiv.1402.0332 · pith_short_12: 2ZKBT2YKW6J5 · pith_short_16: 2ZKBT2YKW6J5GK6X · pith_short_8: 2ZKBT2YK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2ZKBT2YKW6J5GK6XMF2GRQPBIY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d65419eb0ab793d32bd7617468c1e14622f82a5f73ce956f8c11579cf33110cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c9c7478f159494a477292c6bf379be438df74e46639ddd0911200a7a83e6ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-02-03T10:24:32Z",
    "title_canon_sha256": "a36cfdb3da936ee60c61301e12dcfa01b9fc74f3031d5e9a70610160b20dca68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0332",
    "kind": "arxiv",
    "version": 1
  }
}